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From: Kees Cook <keescook@chromium.org>
To: linux-kernel@vger.kernel.org
Cc: David Airlie <airlied@linux.ie>, dri-devel@lists.freedesktop.org
Subject: [PATCH] drm: refactor call to request_module
Date: Tue, 7 May 2013 12:32:16 -0700	[thread overview]
Message-ID: <20130507193216.GA2214@www.outflux.net> (raw)

This reduces the size of the stack frame when calling request_module().
Performing the sprintf before the call is not needed.

Signed-off-by: Kees Cook <keescook@chromium.org>
---
 drivers/gpu/drm/drm_encoder_slave.c |    6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/drm_encoder_slave.c b/drivers/gpu/drm/drm_encoder_slave.c
index 48c52f7..0cfb60f 100644
--- a/drivers/gpu/drm/drm_encoder_slave.c
+++ b/drivers/gpu/drm/drm_encoder_slave.c
@@ -54,16 +54,12 @@ int drm_i2c_encoder_init(struct drm_device *dev,
 			 struct i2c_adapter *adap,
 			 const struct i2c_board_info *info)
 {
-	char modalias[sizeof(I2C_MODULE_PREFIX)
-		      + I2C_NAME_SIZE];
 	struct module *module = NULL;
 	struct i2c_client *client;
 	struct drm_i2c_encoder_driver *encoder_drv;
 	int err = 0;
 
-	snprintf(modalias, sizeof(modalias),
-		 "%s%s", I2C_MODULE_PREFIX, info->type);
-	request_module(modalias);
+	request_module("%s%s", I2C_MODULE_PREFIX, info->type);
 
 	client = i2c_new_device(adap, info);
 	if (!client) {
-- 
1.7.9.5


-- 
Kees Cook
Chrome OS Security

             reply	other threads:[~2013-05-07 19:32 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-07 19:32 Kees Cook [this message]
2013-05-08  7:22 ` Paul Menzel
2013-05-08 15:35   ` Kees Cook

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